Window mounted lighted sign for vehicles



FIG. 1 is an enlarged perspective view of a window mounted lighted sign for vehicles showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a window mounted lighted sign for vehicles, as shown. 